Company lists · Data refreshed September 2026

Top 17 Legal document review services based in the United Kingdom

RevenueBase identified 37 legal document review services headquartered in the United Kingdom as of September 2026 and tracks 676 professional contacts across them, including 251 with verified work emails. London is the largest hub.

This list covers legal document review services headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
37Companies
676Contacts tracked
251Verified emails
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The 17 largest legal document review services based in the United Kingdom

Ranked by team size
Top 17 of 37 legal document review services based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to legal document review services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 20, 2026201-500347 contacts →

Partial evidence

“At Iota Analytics we’re bringing together the very best of tech and consulting to serve law firms, legal counsels and intellectual property managers.”

Source: RevenueBase Database · checked Sep 20, 2026
2Strong evidenceLondon, United KingdomHQ checked Sep 20, 202651-200113 contacts →

Strong evidence

“Definely is a leading provider of LegalTech solutions for drafting, reviewing, and understanding legal documents.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceCity Of London, United KingdomHQ checked Sep 20, 202651-20099 contacts →

Partial evidence

“Cognia is a legal service provider that seamlessly extends corporates, banks, and law firms’ legal capability.”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceLondon, United KingdomHQ checked Sep 20, 202611-508 contacts →

Partial evidence

“Wing Legal is your one-stop solution for high-volume and complex legal tasks that often overwhelm in-house teams.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceNewbury, United KingdomHQ checked Sep 20, 2026501-1,0008 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceLondon, United KingdomHQ checked Sep 20, 202611-507 contacts →

Partial evidence

“A UK-based boutique legal service provider.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 20, 202611-507 contacts →

Partial evidence

“We believe legal work can be easier.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 20, 20261-106 contacts →

Indirect evidence

“Welcome to DAS, an established global group of highly flexible and adaptable multilingual lawyers, jurists, accountants, forensic and data analysts.”

Source: RevenueBase Database · checked Sep 20, 2026
9Strong evidenceHaywards Heath, United KingdomHQ checked Sep 20, 20261-105 contacts →

Strong evidence

“Tacit Legal is a firm of two parts:(a) a boutique commercial, tech and media law firm; and (b) Tilder, our "supervised AI" contract review service, which provides human assurance…”

Source: RevenueBase Database · checked Sep 20, 2026
10Strong evidenceLondon, United KingdomHQ checked Sep 20, 20261-105 contacts →

Strong evidence

“We provide innovative, bespoke and cost-effective legal solutions to organisations undertaking or participating in any form of review or investigative process”

Source: RevenueBase Database · checked Sep 20, 2026
11Strong evidenceBelfast, United KingdomHQ checked Sep 20, 20261-104 contacts →

Strong evidence

“Donaldson Legal Consulting (DLC) provides skilled, client-facing services relating to the negotiation of financial legal documents from a NearShore location.”

Source: RevenueBase Database · checked Sep 20, 2026
12Strong evidenceLondon, United KingdomHQ checked Sep 20, 20261-102 contacts →

Strong evidence

“We handle high volume document reviews arising from litigation disclosure, investigations and data subject access requests (DSARs).”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceManchester, United KingdomHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Mudd Up Ltd is a Drafting Consultancy that was founded in 2018.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceLondon, United KingdomHQ checked Sep 20, 202611-502 contacts →

Partial evidence

“At Insight IP, we are trusted partners to leading law firms, corporates, and legal service providers worldwide.”

Source: RevenueBase Database · checked Sep 20, 2026
15Strong evidenceLondon, United KingdomHQ checked Sep 20, 202611-501 contacts →

Strong evidence

“This year has been metamorphic for Altlaw; We have been awarded Crown Commercial Services Supplier status for eDiscovery and Document Review.”

Source: RevenueBase Database · checked Sep 20, 2026
16Partial evidenceBristol, United KingdomHQ checked Sep 20, 20261-101 contacts →

Partial evidence

“BARONCOURT is transforming legal contract services by bridging the gap between in-house legal teams and expensive outside law firms for all types of contracts, for all types of…”

Source: RevenueBase Database · checked Sep 20, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 20, 20261-101 contacts →

Partial evidence

“Juris AI helps automate contract reviews reducing review time from 2 hours to just 10 minutes.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 17 of 37 legal document review services based in the United Kingdom

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Legal document review services based in the United Kingdom at a glance

As of Sep 20, 2026
37.1%Verified-email coverage
18.3Average contacts per company
1-10Median size (employees)
59.5%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
8
51-200
2
201-500
1
501-1,000
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 37 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among legal document review services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “legal document review services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names legal document review services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among legal document review services, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 251 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names legal document review services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many legal document review services are there based in the United Kingdom?

RevenueBase identified 37 legal document review services headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Iota Analytics, headquartered in London, tops this list with the largest team on record.

Which city has the most legal document review services?

London leads with 22 headquartered companies, followed by Bristol (1) and City Of London (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 251 verified decision-maker contacts tracked across these 37 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.